what should be on this list. >> roberta schafer, the last book you have in here was published in 2002. >> yes. we kind of decided to put a cutoff on it. we thought if we're really going to be looking at books that shaped america, we have to give them an opportunity, give books an opportunity to prove their worth in shaping america. so this is an organic endeavor by the library of congress. we intend to keep looking at books that keep shaping america, but we thought, you know, about a decade, that's a good place to stop. so since we're in 2012 now, let's stop at 2002, and we'll keep revisiting it. >> well, two of the later books that you have in here, "the band played on," 1987, and "cesar chavez," 2002. >> and, of course, randy had a huge influence on aids research and really sort of raising our consciousness about that terrible decide.